rust_analyzer_cli/
cargo.rs

1use crate::lsp::types::{CheckDiagnosticItem, CheckResponse};
2use anyhow::Result;
3use serde_json::Value;
4use std::path::Path;
5use tokio::process::Command;
6
7pub async fn run_cargo_check(workspace_root: &Path, target: Option<&str>) -> Result<CheckResponse> {
8    let mut cmd = Command::new("cargo");
9    cmd.arg("check").arg("--message-format=json");
10    if let Some(tgt) = target {
11        cmd.arg("--target").arg(tgt);
12    }
13    cmd.current_dir(workspace_root);
14
15    let output = cmd.output().await?;
16    let stdout_str = String::from_utf8_lossy(&output.stdout);
17
18    let mut diagnostics = Vec::new();
19    for line in stdout_str.lines() {
20        if let Ok(v) = serde_json::from_str::<Value>(line) {
21            if v.get("reason").and_then(|r| r.as_str()) == Some("compiler-message") {
22                if let Some(msg_obj) = v.get("message") {
23                    let level = msg_obj
24                        .get("level")
25                        .and_then(|l| l.as_str())
26                        .unwrap_or("info")
27                        .to_string();
28                    let message = msg_obj
29                        .get("message")
30                        .and_then(|m| m.as_str())
31                        .unwrap_or("")
32                        .to_string();
33
34                    let mut file = None;
35                    let mut line_num = None;
36                    let mut col_num = None;
37
38                    if let Some(spans) = msg_obj.get("spans").and_then(|s| s.as_array()) {
39                        if let Some(primary) = spans.iter().find(|s| s.get("is_primary").and_then(|p| p.as_bool()) == Some(true)) {
40                            file = primary.get("file_name").and_then(|f| f.as_str()).map(String::from);
41                            line_num = primary.get("line_start").and_then(|l| l.as_u64()).map(|n| n as u32);
42                            col_num = primary.get("column_start").and_then(|c| c.as_u64()).map(|n| n as u32);
43                        }
44                    }
45
46                    diagnostics.push(CheckDiagnosticItem {
47                        message,
48                        level,
49                        file,
50                        line: line_num,
51                        col: col_num,
52                    });
53                }
54            }
55        }
56    }
57
58    Ok(CheckResponse {
59        success: output.status.success(),
60        diagnostics,
61    })
62}
rust_analyzer_cli/cargo.rs

rust_analyzer_cli/
cargo.rs
